A big fan is someone who is passionate and devoted to something or someone. The crossword solutions for the term BIG FAN include FIEND (5 letters), ZEALOT (6 letters), ADULATOR (8 letters), ADORER (6 letters), NUT (3 letters), LOVER (5 letters), IMA (3 letters), and BOOSTER (7 letters). These words all describe someone who is a dedicated supporter, with FIEND referring to an intense DEVOTEE, ZEALOT to an enthusiastic follower, ADULATOR to a sycophant, ADORER to an admirer, NUT to an enthusiast, LOVER to an ardent admirer, IMA to a worshipper, and BOOSTER to a promoter.